First, make sure you've installed the slider component from the Adalo Marketplace, then click the plus button in the left panel, find the slider component and drag it on to a screen in your app.
You can adjust the following in the left panel:
What Property does this adjust?
Here you can select a database property that the slider will change.
If On, labels will appear above the marker when the user is clicking on the marker and adjusting it.
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